Repeating the blood test can help differentiate between a temporary spike (for example, after an injection) and a persistent elevation
The injection is providing you with the necessary B vitamins regardless of your food intake, which is helpful especially if you have trouble eating a balanced diet (due to illness or other reasons)
I figured why not try it for my burn
The arginine salt provides substrate for nitric oxide synthesis, which further enhances blood flow to healing tissues
Ultimately, we need to invest in more research about the underlying biology of B12 insufficiency, since it may be a preventable cause of cognitive decline. Reference: Vitamin B12 Levels Association with Functional and Structural Biomarkers of Central Nervous System Injury in Older Adults by Alexandra Beaudry-Richard, Ahmed Abdelhak, Rowan Saloner, Simone Sacco, Shivany C